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Merge pull request #9603 from g-w1/arrcat

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stage2: add array concatenation + multiplication ( ++ and **) at comptime
This commit is contained in:
Andrew Kelley
2021-08-31 21:52:47 -04:00
committed by GitHub
parent 9d4a6d67aa 7cdb30ee95
commit d522f925b7
5 changed files with 142 additions and 13 deletions
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4
src/codegen/llvm.zig
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@@ -788,11 +788,13 @@ pub const DeclGen = struct {
const gpa = self.gpa;
const elem_ty = tv.ty.elemType();
const elem_vals = payload.data;
const llvm_elems = try gpa.alloc(*const llvm.Value, elem_vals.len);
const sento = tv.ty.sentinel();
const llvm_elems = try gpa.alloc(*const llvm.Value, elem_vals.len + @boolToInt(sento != null));
defer gpa.free(llvm_elems);
for (elem_vals) |elem_val, i| {
llvm_elems[i] = try self.genTypedValue(.{ .ty = elem_ty, .val = elem_val });
}
if (sento) |sent| llvm_elems[elem_vals.len] = try self.genTypedValue(.{ .ty = elem_ty, .val = sent });
const llvm_elem_ty = try self.llvmType(elem_ty);
return llvm_elem_ty.constArray(
llvm_elems.ptr,